#0 /home/ih371697/public_html/src/XF/Image/Manager.php(47): XF\Image\Manager->getImageDriver(NULL)
#1 /home/ih371697/public_html/src/XF/Service/Attachment/Preparer.php(178): XF\Image\Manager->imageFromFile('/tmp/phpjrxEui')
#2 /home/ih371697/public_html/src/XF/Service/Attachment/Preparer.php(47): XF\Service\Attachment\Preparer->generateAttachmentThumbnail('/tmp/phpjrxEui', NULL, NULL)
#3 /home/ih371697/public_html/src/XF/Service/Attachment/Preparer.php(16): XF\Service\Attachment\Preparer->insertDataFromFile(Object(XF\FileWrapper), Object(SV\UserMentionsImprovements\XF\Entity\User), Array)
#4 /home/ih371697/public_html/src/XF/Attachment/Manipulator.php(171): XF\Service\Attachment\Preparer->insertAttachment(Object(XF\Attachment\Post), Object(XF\FileWrapper), Object(SV\UserMentionsImprovements\XF\Entity\User), 'ba7930b38b71751...')
#5 /home/ih371697/public_html/src/XF/Pub/Controller/Attachment.php(86): XF\Attachment\Manipulator->insertAttachmentFromUpload(Object(XF\Http\Upload), NULL)
#6 /home/ih371697/public_html/src/XF/Mvc/Dispatcher.php(232): XF\Pub\Controller\Attachment->actionUpload(Object(XF\Mvc\ParameterBag))
#7 /home/ih371697/public_html/src/XF/Mvc/Dispatcher.php(85): XF\Mvc\Dispatcher->dispatchClass('XF:Attachment', 'upload', 'json', Object(XF\Mvc\ParameterBag), '')
#8 /home/ih371697/public_html/src/XF/Mvc/Dispatcher.php(41): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#9 /home/ih371697/public_html/src/XF/App.php(1777): XF\Mvc\Dispatcher->run()
#10 /home/ih371697/public_html/src/XF.php(320): XF\App->run()
#11 /home/ih371697/public_html/index.php(13): XF::runApp('XF\\Pub\\App')
#12 {main}